Desert, Salt & Volcanoes: Experience one of the geologically most active areas on the planet: the Danakil desert in northern Ethiopia. Highlights include Erta Ale volcano with its active lava lake and Dallol hydrothermal fields offering a surreal landscape of colors, salt, geysers and springs.

Ambrym volcano photos: Ambrym (Vanuatu) is one of the most active volcanoes in the world. Its vast caldera has an amazing moonscape and several active vents that contain boiling lava lakes, most famous Marum and Benbow.